An individual with achlorhydria (lack of or low gastric acid in stomach) may have abdominal pain due to difficulty digesting food, loose bowel movements & problems due to poor absorption of nutrients.
Foods for Good Digestion # 5: Sweet potatoes. Sweet potatoes, especially when consumed with their skins on, are a superb food for digestive health. They provide dietary fiber, complex carbohydrates and manganese. Sweet potatoes help in treating peptic ulcers, duodenal ulcers and some other serious bowel ailments.
Include them in your diet to prevent constipation. Whole grains: These are easy to digest and are fiber rich food. Have whole grains and cereals such as wheat, rice, oatmeal, whole oats, millet, barley and quinoa in your diet as it helps improve bowel movements and reduces gastric too!